DOM = document.getElementById;
Netscape4 = document.layer;
Netscape6 = Mozilla = (navigator.appName == "Netscape") && DOM;
Netscape7 = navigator.userAgent.indexOf("Netscape/7") >= 0;
Opera5 = window.opera && DOM;
Opera6 = Opera5 && window.print;
Opera7 = Opera5 && navigator.userAgent.indexOf("Opera/7") >= 0;
IE = document.all && !Opera5;  


function correctPNG() // correctly handle PNG transparency in Win IE 5.5 or higher.
   {
	if (IE){
	   for(var i=0; i<document.images.length; i++)
		  {
			  var img = document.images[i]
			  var imgName = img.src.toUpperCase()
			  if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
				 {
					 var imgID = (img.id) ? "id='" + img.id + "' " : ""
					 var imgClass = (img.className) ? "class='" + img.className + "' " : ""
					 var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
					 var imgStyle = "display:inline-block;" + img.style.cssText
					 if (img.align == "left") imgStyle = "float:left;" + imgStyle
					 if (img.align == "right") imgStyle = "float:right;" + imgStyle
					 if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
					 var strNewHTML = "<span " + imgID + imgClass + imgTitle
					 + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
				 + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
					 + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>"
					 img.outerHTML = strNewHTML
					 i = i-1
				 }
		  }
	   }
   }